watchOS 5.3.6

watchOS

Version

5.3.6

Build ID

16U662

File Size

37.23 MB

Release Date

2020-03-24T17:21:16Z

Update Type

Normal release

Delta update - requires 5.3.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.3.6 (build 16U662) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2020-03-24T17:21:16Z. The update package is 37.23 MB. This is a delta (partial) update that requires 5.3.3 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is 614f5cdc7097135fe7bd8779821d1cd19d62d286.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-74347/2AA8D3E6-9868-47A6-9344-F175A8F9FE08/com_apple_MobileAsset_SoftwareUpdate/614f5cdc7097135fe7bd8779821d1cd19d62d286.zip